No reconfiguration of your game library or settings is necessary—just replace the license file.
This error typically occurs for one of the following reasons:
You updated LaunchBox to a new beta or stable version, and suddenly it says your license is invalid or reverts to Free.
The short answer is . The License.xml file is not a plain text file to be manually configured. It is a digitally signed document designed to be read by the LaunchBox software, not edited by users. Any attempt to open the file in a text editor and change details like the registrant's name or any tag values will immediately corrupt the file. As stated clearly in the forums, "...LB can detect it has been altered". The result will be an immediate "corrupted license" error. launchbox license.xml
Understanding the LaunchBox license.xml: A Complete Guide LaunchBox has established itself as the premier front-end for retro gaming and emulation on Windows, offering a slick interface for organizing and launching your digital game library. While the free version is robust, many users upgrade to to unlock Big Box Mode, custom themes, advanced controller support, and more.
: Updates can add more licenses to the banned list, causing previously "working" pirated licenses to fail after an update.
No. Absolutely not. It only contains your email and an encrypted license key. No payment details are stored locally. No reconfiguration of your game library or settings
A license.xml file for is a unique, encrypted file issued to users who purchase a LaunchBox Premium license. This file is not something you can manually "create" or write the text for yourself; it must be generated by the official LaunchBox servers to be valid. How to Get and Use Your License File
Keep a copy on an external backup thumb drive alongside your emulation roms.
: Options for UI themes, color schemes, and custom fonts that were previously locked away. The License
Default location is typically C:\Users\YourUsername\Documents\LaunchBox or C:\LaunchBox .
If you've tried the troubleshooting steps above and still can't resolve your licensing issue, contact LaunchBox support at support@unbrokensoftware.com . Provide your name and the email address associated with your purchase. The support team can look up the specifics of your purchase and provide the most accurate information.